From fea7e8993b776e6d03eb06dce31635577029ed41 Mon Sep 17 00:00:00 2001
From: Thomas Gelf <thomas@gelf.net>
Date: Fri, 21 Mar 2014 10:31:12 +0000
Subject: [PATCH] Allow LDAP queries without objectClass filter

---
 library/Icinga/Protocol/Ldap/Query.php | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/library/Icinga/Protocol/Ldap/Query.php b/library/Icinga/Protocol/Ldap/Query.php
index eeb9cf8ef..13193885e 100644
--- a/library/Icinga/Protocol/Ldap/Query.php
+++ b/library/Icinga/Protocol/Ldap/Query.php
@@ -313,8 +313,8 @@ class Query
     protected function render()
     {
         $parts = array();
-        if ($this->filters['objectClass'] === null) {
-            throw new Exception('Object class is mandatory');
+        if (! isset($this->filters['objectClass']) || $this->filters['objectClass'] === null) {
+            // throw new Exception('Object class is mandatory');
         }
         foreach ($this->filters as $key => $value) {
             $parts[] = sprintf(
@@ -323,7 +323,11 @@ class Query
                 LdapUtils::quoteForSearch($value, true)
             );
         }
-        return '(&(' . implode(')(', $parts) . '))';
+        if (count($parts) > 1) {
+            return '(&(' . implode(')(', $parts) . '))';
+        } else {
+            return '(' . $parts[0] . ')';
+        }
     }
 
     /**